UNE-EN 13501-4:2019 Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems
2019UNE-EN 13501-4:2019 Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems
2010UNE-EN 13501-4:2007+A1:2010 Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems